package acceleo.main;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.Set;

import org.osate.aadl2.PropertyAssociation;

public class JavaMethod {
	public static String readFile(String filePath){
        try {
        	String ret="";
        	filePath="D:\\Projects\\acceleo_code\\"+filePath;
            String encoding="UTF-8";
            File file=new File(filePath);
            if(file.isFile() && file.exists()){ //判断文件是否存在
                InputStreamReader read = new InputStreamReader(
                new FileInputStream(file),encoding);//考虑到编码格式
                BufferedReader bufferedReader = new BufferedReader(read);
                String lineTxt = null;
                while((lineTxt = bufferedReader.readLine()) != null){
                     ret+=lineTxt;
                }
                read.close();
                return ret;
        }else{
            System.out.println("找不到指定的文件");
            return null;
        }
        } catch (Exception e) {
            System.out.println("读取文件内容出错");
            e.printStackTrace();
            return null;
        }
    }
}
